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Old 02-23-2009, 10:02 PM
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bbc stock con rods vs aftermaket

i was thinking instead of spending the money of getting a new set of rods to just recondition the old ones by polishing and balancing them and sending them off to get shot peened. is my money better spent getting eagle h beam rods or reconditioning the old rods? this motor may see 7000 rpm occasionally but not often. i doubt it will ever see the track. its a 454cid bbc 2 bolt main. standard deck height. i just want a b.a street motor that will take some abuse and stay together. im looking for 5-600 hp and about the same in torque.

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Last edited by dman16; 02-23-2009 at 10:16 PM.
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Old 02-23-2009, 10:10 PM
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I think the stock rods will serve you well after you polish, shot peen, have them resized and add some ARP bolts.
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Old 02-23-2009, 11:14 PM
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Quote:
Originally Posted by GenYnNC
I think the stock rods will serve you well after you polish, shot peen, have them resized and add some ARP bolts.
What does it cost to have this stuff done? What does resizing do, and whats the benefit of polishing the rods? I cant see why anyone would want to polish something inside an engine just for looks...so there must be another reason.
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Old 02-23-2009, 11:34 PM
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first you grind off casting irregularities then polish it. gets rid of extra weight. what else can you have done to your rods to make them stronger?
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Old 02-23-2009, 11:57 PM
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You could upgrade to some L88 or LS6 7/16" dimple rods!
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Old 02-24-2009, 12:55 AM
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For the cost of the total rework described you could get the Scat I-beam 4340 rods and have a much stronger piece. The H-beam wouldn't be necessary unless you were going to try for 8500 rpm.
Reworking a stock rod just isn't cost effective any more, aftermarket is stronger for the same dollars spent.
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Old 02-24-2009, 04:59 AM
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rods

First think about what you would spend on the stock GM rods, They will need new bolts,resized,plus the work you talked about.

Then price the scat I beams.

Something else to consider is that you can get the scat's with floated small ends for just a few $$ more.


I put the scats in all my customers engines over re-working the stock rods.
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